4151 W Prospect Ave, Los Angeles
7 home-service permits on record at 4151 W Prospect Ave, Los Angeles; the roof was last permitted on Apr 3, 2025 at a declared value of $8,000.
Home-service permits on record at this address
| Issued | Work | Trade | Declared value | Contractor as filed | Status | Permit |
|---|---|---|---|---|---|---|
| Apr 3, 2025 | Bldg-Alter/Repair: Re-roof with Class A or B roof covering material weighing less than 6 pounds per sq. ft. over existing solid sheathing 40 Squares. Class A roof covering is required within Very High Fire Hazard Severity Zone . For residential roof replacement > 50% of the total roof area, apply Cool Roof Product labeled and certified by Cool Roof Rating Council . Cool Roof may be required for non-residential buildings per Title 24, Part 6, Section 141.0 2B | Roofing | $8,000 | — | issued | 25016-90000-10117 |
| Apr 2, 2025 | Bldg-Alter/Repair: ROOF REPLACEMENT AND FALL PROTECTION ACCESSORIES FOR MECHANICAL EQUIPMENT | Roofing | $40,000 | — | Finaled Jun 6, 2025 | 24016-10000-22343 |
| Jun 18, 2024 | Bldg-Alter/Repair: REPLACE EXISTING ROOFTOP MECHANICAL UNITS.REMOVE AND REPLACE EXISTING SUSPENDED CEILINGS IN ORDER TO INSTALL HVAC DUCTING. NO CHANGE IN LIGHTING | Heating and cooling | $40,000 | — | Finaled Sep 12, 2024 | 23016-10000-24200 |
| Nov 29, 2023 | Bldg-Alter/Repair: INSTALL FALL PROTECTION GUARDRAIL AT ROOF OF 1 STORY BUILDING *NO ROOF TOP USE PROPOSED* | Roofing | $40,000 | — | permit expired | 23016-10000-07486 |
| Aug 8, 2023 | Bldg-Alter/Repair: SUPPLEMENTAL TO 22016-10000-03141 TO INCREASE HEIGHT FROM 49'9" TO 50'6" DUE TO RE-ROOFING | Roofing | $60,000 | — | Finaled Jan 30, 2024 | 22016-10001-03141 |
| Aug 25, 2022 | Bldg-Alter/Repair: EXISTING 2-STORY OFFICE W/ BASEMENT : INTERIOR TENANT IMPROVEMENT OF BF, 1F AND 2F. PARTIAL DEMOLITION OF EXISTING INTERIOR NON-STRUCTURAL PARTITIONS AND CEILINGS ON BF. DEMOLITION OF EXISTING INTERIOR NON-STRUCTURAL PARTITIONS AND CEILINGS ON 1F AND 2F. PROPOSED NON-STRUCTURAL PARTITIONS, CEILINGS, FLOORS, FINSIHES AND FURNITURE. PROPOSED ACCESSIBLE ALL-GENDER RESTROOMS ON BF, 1F AND 2F.PROPOSED FALL-PROTECTION RAILING AT ROOF | Roofing | $2,000,000 | — | Finaled May 15, 2024 | 22016-10000-03141 |
| Jun 27, 2022 | Bldg-Alter/Repair: Re-roof with Class A or B material weighing less than 6 pounds per sq. ft. over EXISTING solid sheathing __19__Squares. Class A roof covering is required within Very High Fire Hazard Severity Zone . For residential roof replacement > 50% of the total roof area, apply Cool Roof Product labeled and certified by Cool Roof Rating Council . Cool Roof may be required for non-residential buildings per Title 24, Part 6, Section 141.0 2B | Roofing | $9,000 | — | permit expired | 22016-10000-19040 |
On W Prospect Ave
28 permits on record on W Prospect Ave.
| Trade | Permits | Since Oct 4, 2024 | Median declared | Range | Last |
|---|---|---|---|---|---|
| Roofing | 17 | 4 | — | under 5 | Jul 14, 2025 |
| Heating and cooling | 9 | 0 | — | under 5 | Jun 18, 2024 |
| Plumbing | 2 | 1 | — | under 5 | Oct 31, 2024 |
Roof replacement cost in Los Angeles
Across 20,614 one- and two-family reroof permits since October 4, 2024, most declared values run from $2,000 to $13,000 (the middle 80%); the median is $5,200 and half fall between $3,600 and $7,800. The lowest on record is $19 and the highest $570,000. Every permit behind that range.
Furnace, heat pump or air conditioner replacement cost in Los Angeles
Across 5,315 one- and two-family heating and cooling permits since October 4, 2024, most declared values run from $501 to $39,031 (the middle 80%); the median is $4,251 and half fall between $1,250 and $15,000. The lowest on record is $1 and the highest $1,800,000. Every permit behind that range.
Source
Los Angeles Department of Building and Safety, via the city open-data portal, pulled nightly; the assessor roll for the property fields. As of October 4, 2026. Owner names are not shown on any page.